﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace MyNineteenthWPFDemo
{
    /// <summary>
    /// Window1.xaml 的交互逻辑
    /// </summary>
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }

        private void button_Click(object sender, RoutedEventArgs e)
        {
            //MessageBox.Show($"The main window is {Application.Current.MainWindow.Title}");
            //foreach(Window win in Application.Current.Windows)
            //{
            //    MessageBox.Show($"{win.Title} is opened");
            //}
            Window2 doc = new Window2();
            doc.Owner = this;
            doc.Show();
            ((App)Application.Current).Documents.Add(doc);
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            foreach (Window2 doc in ((App)Application.Current).Documents)
                doc.Content = $"Refreshed at {DateTime.Now.ToLongTimeString()}.";
        }
    }
}
